Temnospondyli bite club: Ecomorphological patterns of the most diverse group of early tetrapods

J. Fortuny, J. Marcé-Nogué, S. De Esteban-Trivigno, L. Gil, À Galobart

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    46 Citations (Scopus)


    Temnospondyls were a successful group of early tetrapods that lived during the Palaeozoic and Mesozoic periods. Different ecomorphotypes were present (terrestrial, amphibious and fully aquatic) with a wide range of lifestyles. Herein, we analysed several clades of temnospondyls using geometric morphometrics, Finite Element Analysis, and comparative phylogenetic analysis. Some temnospondyli clades were 'crocodilomorph' feeding analogues. The skull analysis reveals a concordance between form and feeding function, in amphibious and fully aquatic feeders. The form of terrestrial feeders could be consequences of adaptative or phylogenetical constraints. Basal temnospondyls, as edopoids, were able to leave the water and feed on land. Eryopids continued as terrestrial feeders, although some members showed a shift to increased aquatic feeding. The aquatic environment was especially occupied by archegosaurs during the Permian. After the Permo-Triassic extinction, trematosaurs and capitosaurs returned to the aquatic environment and their members were amphibious and fully aquatic feeders until their disappearance. © 2011 The Authors. Journal of Evolutionary Biology © 2011 European Society For Evolutionary Biology.
    Original languageEnglish
    Pages (from-to)2040-2054
    JournalJournal of Evolutionary Biology
    Issue number9
    Publication statusPublished - 1 Sep 2011


    • Amphibians
    • Archegosauriformes
    • Direct biting
    • Edopoidea
    • Eryopidae
    • Feeding ecology
    • Finite element analysis (FEA)
    • Geometric morphometrics
    • Stereospondyli
    • Temnospondyli


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